The pair had a late night out on Wednesday, starting out at a bar in the East Village around 10 p.m., where the two had beers and Scott puffed on an electronic cigarette.

Splash News

Splash News

Afterwards, they headed to a house party in NoHo around midnight for two hours. They then went to 1 Oak nightclub -- where they stayed until 4 a.m. and Scott hung out in the DJ booth with Snoop Dogg most of the night -- before heading to another house party in SoHo. They eventually left the party at 6 a.m., with Scott going back to the hotel with his gal-pal.

Meanwhile, Kourtney's focus appears to be on getting in the best shape ever, as well as her three children with Scott -- 5-year-old Mason, 4-year-old Penelope and 9-month-old Reign. Over the weekend, she posted a sweet photo Penelope made for her.

"Kourtney won't be taking Scott back anytime soon. It's final this time," a source close to Kourtney told ET last week. "Kourtney is doing the best that she can to stay strong for her three children right now. Her first priority are those kids and she'll do anything to make sure they don't get hurt."

WEST HOLLYWOOD, CA - MARCH 02: Television personalities Kim Kardashian (L) and Kourtney Kardashian attend the 22nd Annual Elton John AIDS Foundation Academy Awards Viewing Party at The City of West Hollywood Park on March 2, 2014 in West Hollywood, California. (Photo by Jamie McCarthy/Getty Images for EJAF)

NEW YORK, NY - JUNE 12: Kourtney Kardashian and Scott Disick are seen in Sag Harbor on June 12, 2014 in New York City. (Photo by David Krieger/Bauer-Griffin/GC Images)

NEW YORK, NY - JUNE 26: Kourtney Kardashian,Kendall Jenner and Kris Jenner are seen in the Meat Packing District on June 26, 2014 in New York City. (Photo by Alo Ceballos/GC Images)

WEST HOLLYWOOD, CA - MARCH 02: (L-R) Kim Kardashian, Sir Elton John and Kourtney Kardashian attend the 22nd Annual Elton John AIDS Foundation Academy Awards Viewing Party at The City of West Hollywood Park on March 2, 2014 in West Hollywood, California. (Photo by Jamie McCarthy/Getty Images for EJAF)

Scott Disick and Kourtney Kardashian attend the "Party Under The Stars" benefit hosted by Women's Health and Feed at the Bridgehampton Tennis and Surf Club on Saturday, Aug. 9, 2014 in New York. (Photo by Scott Roth/Invision/AP)

Scott Disick and Kourtney Kardashian attend the "Party Under The Stars" benefit hosted by Women's Health and Feed at the Bridgehampton Tennis and Surf Club on Saturday, Aug. 9, 2014 in New York. (Photo by Scott Roth/Invision/AP)

Kourtney Kardashian attends the "Party Under The Stars" benefit hosted by Women's Health and Feed at the Bridgehampton Tennis and Surf Club on Saturday, Aug. 9, 2014 in New York. (Photo by Scott Roth/Invision/AP)

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Last week, she tweeted that she's taking advantage of her time being single.

"Being alone & actually sitting with our own thoughts can lead to such growth and realizations that are rare in our everyday busy lives," she wrote to her 16 million followers.

Still, in a new Keeping Up With the Kardashians sneak peek, Kourtney's obviously heartbroken when she learns of Scott's intimate vacation with ex-girlfriend Chloe Bartoli in Monte Carlo.